/*
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 */

#ifndef __BMESH_OPERATORS_H__
#define __BMESH_OPERATORS_H__

/** \file
 * \ingroup bmesh
 */

/*see comments in intern/bmesh_opdefines.c for documentation of specific operators*/

/*--------defines/enumerations for specific operators-------*/

/*quad innervert values*/
enum {
  SUBD_CORNER_INNERVERT,
  SUBD_CORNER_PATH,
  SUBD_CORNER_FAN,
  SUBD_CORNER_STRAIGHT_CUT,
};

/* aligned with PROP_SMOOTH and friends */
enum {
  SUBD_FALLOFF_SMOOTH = 0,
  SUBD_FALLOFF_SPHERE,
  SUBD_FALLOFF_ROOT,
  SUBD_FALLOFF_SHARP,
  SUBD_FALLOFF_LIN,
  SUBD_FALLOFF_INVSQUARE = 7, /* matching PROP_INVSQUARE */
};

enum {
  SUBDIV_SELECT_NONE,
  SUBDIV_SELECT_ORIG,
  SUBDIV_SELECT_INNER,
  SUBDIV_SELECT_LOOPCUT,
};

/* subdivide_edgering */
enum {
  /* just subdiv */
  SUBD_RING_INTERP_LINEAR,

  /* single bezier spline - curve follows bezier rotation */
  SUBD_RING_INTERP_PATH,

  /* beziers based on adjacent faces (fallback to tangent) */
  SUBD_RING_INTERP_SURF,
};

/* similar face selection slot values */
enum {
  SIMFACE_MATERIAL = 201,
  SIMFACE_AREA,
  SIMFACE_SIDES,
  SIMFACE_PERIMETER,
  SIMFACE_NORMAL,
  SIMFACE_COPLANAR,
  SIMFACE_SMOOTH,
  SIMFACE_FACEMAP,
  SIMFACE_FREESTYLE,
};

/* similar edge selection slot values */
enum {
  SIMEDGE_LENGTH = 101,
  SIMEDGE_DIR,
  SIMEDGE_FACE,
  SIMEDGE_FACE_ANGLE,
  SIMEDGE_CREASE,
  SIMEDGE_BEVEL,
  SIMEDGE_SEAM,
  SIMEDGE_SHARP,
  SIMEDGE_FREESTYLE,
};

/* similar vertex selection slot values */
enum {
  SIMVERT_NORMAL = 0,
  SIMVERT_FACE,
  SIMVERT_VGROUP,
  SIMVERT_EDGE,
};

/* Poke face center calculation */
enum {
  BMOP_POKE_MEDIAN_WEIGHTED = 0,
  BMOP_POKE_MEDIAN,
  BMOP_POKE_BOUNDS,
};

/* Bevel offset_type slot values */
enum {
  BEVEL_AMT_OFFSET,
  BEVEL_AMT_WIDTH,
  BEVEL_AMT_DEPTH,
  BEVEL_AMT_PERCENT,
};

/* Bevel face_strength_mode values: should match face_str mode enum in DNA_modifer_types.h */
enum {
  BEVEL_FACE_STRENGTH_NONE,
  BEVEL_FACE_STRENGTH_NEW,
  BEVEL_FACE_STRENGTH_AFFECTED,
  BEVEL_FACE_STRENGTH_ALL,
};

/* Bevel miter slot values */
enum {
  BEVEL_MITER_SHARP,
  BEVEL_MITER_PATCH,
  BEVEL_MITER_ARC,
};

/* Bevel vertex mesh creation methods */
enum {
  BEVEL_VMESH_ADJ,
  BEVEL_VMESH_CUTOFF,
};

/* Normal Face Strength values */
enum {
  FACE_STRENGTH_WEAK = -16384,
  FACE_STRENGTH_MEDIUM = 0,
  FACE_STRENGTH_STRONG = 16384,
};

extern const BMOpDefine *bmo_opdefines[];
extern const int bmo_opdefines_total;

/*------specific operator helper functions-------*/
void BM_mesh_esubdivide(BMesh *bm,
                        const char edge_hflag,
                        const float smooth,
                        const short smooth_falloff,
                        const bool use_smooth_even,
                        const float fractal,
                        const float along_normal,
                        const int numcuts,
                        const int seltype,
                        const int cornertype,
                        const short use_single_edge,
                        const short use_grid_fill,
                        const short use_only_quads,
                        const int seed);

void BM_mesh_calc_uvs_grid(BMesh *bm,
                           const uint x_segments,
                           const uint y_segments,
                           const short oflag,
                           const int cd_loop_uv_offset);
void BM_mesh_calc_uvs_sphere(BMesh *bm, const short oflag, const int cd_loop_uv_offset);
void BM_mesh_calc_uvs_circle(BMesh *bm,
                             float mat[4][4],
                             const float radius,
                             const short oflag,
                             const int cd_loop_uv_offset);
void BM_mesh_calc_uvs_cone(BMesh *bm,
                           float mat[4][4],
                           const float radius_top,
                           const float radius_bottom,
                           const int segments,
                           const bool cap_ends,
                           const short oflag,
                           const int cd_loop_uv_offset);
void BM_mesh_calc_uvs_cube(BMesh *bm, const short oflag);

#include "intern/bmesh_operator_api_inline.h"

#endif /* __BMESH_OPERATORS_H__ */
